You can tune what’s included in a Time Machine backup by *excluding* files, folders, and volumes. More at
https://sixcolors.com/post/2026/04/change-what-time-machine-backs-up/ @sixcolors
Change what Time Machine backs up
Time Machine used to be a mess. I would try it with each new macOS release, get frustrated, and give up. My incoming email from readers was sometimes dominated by Time Machine problems, particularl…
Glenn Fleishman